DE1133115B - Verfahren zum Herstellen strangfoermiger Erzeugnisse, insbesondere von Rohren, aus Polytetrafluoraethylen mit gekruemmter Laengsachse - Google Patents
Verfahren zum Herstellen strangfoermiger Erzeugnisse, insbesondere von Rohren, aus Polytetrafluoraethylen mit gekruemmter LaengsachseInfo
- Publication number
- DE1133115B DE1133115B DER21804A DER0021804A DE1133115B DE 1133115 B DE1133115 B DE 1133115B DE R21804 A DER21804 A DE R21804A DE R0021804 A DER0021804 A DE R0021804A DE 1133115 B DE1133115 B DE 1133115B
- Authority
- DE
- Germany
- Prior art keywords
- mixture
- hollow cylinder
- pressing
- space
- preform
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims description 11
- -1 polytetrafluoroethylene Polymers 0.000 title claims description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 title claims description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 title claims description 8
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 239000000203 mixture Substances 0.000 claims description 30
- 239000000463 material Substances 0.000 claims description 11
- 238000000465 moulding Methods 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 7
- 229920002367 Polyisobutene Polymers 0.000 claims description 5
- 238000011049 filling Methods 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 description 31
- 239000011347 resin Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 238000005245 sintering Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 239000006229 carbon black Substances 0.000 description 3
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 3
- 238000013459 approach Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000314 lubricant Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 239000002562 thickening agent Substances 0.000 description 2
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical group CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- MOUPNEIJQCETIW-UHFFFAOYSA-N lead chromate Chemical compound [Pb+2].[O-][Cr]([O-])(=O)=O MOUPNEIJQCETIW-UHFFFAOYSA-N 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000001052 yellow pigment Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
- B29C48/475—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pistons, accumulators or press rams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/04—Particle-shaped
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/001—Combinations of extrusion moulding with other shaping operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
- B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/12—Use of polyvinylhalogenides or derivatives thereof as moulding material containing fluorine
- B29K2027/18—PTFE, i.e. polytetrafluorethene, e.g. ePTFE, i.e. expanded polytetrafluorethene
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US608135A US2863174A (en) | 1956-09-05 | 1956-09-05 | Production of preforms and longitudinally curved articles of polytetrafluoroethyleneresin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE1133115B true DE1133115B (de) | 1962-07-12 |
Family
ID=24435196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DER21804A Pending DE1133115B (de) | 1956-09-05 | 1957-09-04 | Verfahren zum Herstellen strangfoermiger Erzeugnisse, insbesondere von Rohren, aus Polytetrafluoraethylen mit gekruemmter Laengsachse |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US2863174A (en, 2012) |
| BE (1) | BE560504A (en, 2012) |
| CH (1) | CH363480A (en, 2012) |
| DE (1) | DE1133115B (en, 2012) |
| FR (1) | FR1188548A (en, 2012) |
| GB (1) | GB831754A (en, 2012) |
| LU (1) | LU35433A1 (en, 2012) |
| SE (1) | SE196220C1 (en, 2012) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU35733A1 (en, 2012) * | 1957-01-30 | |||
| US3008187A (en) * | 1959-01-05 | 1961-11-14 | Raybestos Manhattan Inc | Method and apparatus for extruding polytetrafluoroethylene tubing |
| US3176876A (en) * | 1961-06-29 | 1965-04-06 | H G Fischer & Co Inc | Dispenser for liquids or semi-liquids |
| DE1260763B (de) * | 1961-10-13 | 1968-02-08 | Raybestos Manhattan Inc | Verfahren und Vorrichtung zum Herstellen von Schlaeuchen aus Tetrafluoraethylen |
| US3303252A (en) * | 1963-03-19 | 1967-02-07 | Philadelphia Insulated Wire Co | Method of forming products extruded from plastic material |
| US4238538A (en) * | 1978-12-21 | 1980-12-09 | E. I. Du Pont De Nemours And Company | Method of and apparatus for ram-extrusion of aromatic polyimide and polyamide resins, and shaped articles formed using such method and apparatus |
| DE3582744D1 (de) * | 1984-03-30 | 1991-06-13 | Nat Res Dev | Rohrfoermige gegenstaende. |
| US5024617A (en) * | 1989-03-03 | 1991-06-18 | Wilson-Cook Medical, Inc. | Sphincterotomy method and device having controlled bending and orientation |
| KR100364043B1 (ko) * | 2000-06-10 | 2002-12-11 | 진인태 | 임의의 단면형상을 가진 금속곡관과 금속곡봉의 제조장치 및 제조방법 |
| US7163655B2 (en) * | 2002-03-28 | 2007-01-16 | Scimed Life Systems, Inc. | Method and apparatus for extruding polymers employing microwave energy |
| US7531122B2 (en) * | 2002-03-28 | 2009-05-12 | Boston Scientific Scimed, Inc. | Polymer welding using ferromagnetic particles |
| US6979420B2 (en) | 2002-03-28 | 2005-12-27 | Scimed Life Systems, Inc. | Method of molding balloon catheters employing microwave energy |
| US8862203B2 (en) | 2003-03-27 | 2014-10-14 | Boston Scientific Scimed Inc. | Medical device with temperature modulator for use in magnetic resonance imaging |
| DE102006035960A1 (de) * | 2006-08-02 | 2008-02-07 | Biotronik Vi Patent Ag | Vorrichtung zur Herstellung von strangförmigen Gütern |
| GB202104209D0 (en) * | 2021-03-25 | 2021-05-12 | J & D Hudson Ltd | PTFE extrusion |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1949072A (en) * | 1931-04-25 | 1934-02-27 | Goodrich Co B F | Method of making molded articles from plastic materials |
| GB624433A (en) * | 1944-06-21 | 1949-06-08 | Lavorazione Mat Plast | A method and apparatus for manufacturing articles of thermoplastic materials and articles manufactured thereby |
| GB748117A (en) * | 1953-06-24 | 1956-04-18 | Us Rubber Co | Improvements in method and apparatus for forming self-sealing inner tube |
| US2752321A (en) * | 1953-02-27 | 1956-06-26 | Du Pont | Lubricating tetrafluoroethylene polymers |
| US2752637A (en) * | 1954-07-01 | 1956-07-03 | Resistoflex Corp | Extrusion of polytetrafluoroethylene |
| CH318927A (fr) * | 1954-07-15 | 1957-01-31 | Somo Societe Pour Les Metaux O | Installation pour façonner un élément courbe en matière thermoplastique synthétique |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US182611A (en) * | 1876-09-26 | Improvement in machines for making lead traps and bends |
-
0
- LU LU35433D patent/LU35433A1/xx unknown
- BE BE560504D patent/BE560504A/xx unknown
-
1956
- 1956-09-05 US US608135A patent/US2863174A/en not_active Expired - Lifetime
-
1957
- 1957-09-02 FR FR1188548D patent/FR1188548A/fr not_active Expired
- 1957-09-03 SE SE798957A patent/SE196220C1/sv unknown
- 1957-09-04 GB GB27948/57A patent/GB831754A/en not_active Expired
- 1957-09-04 CH CH5015057A patent/CH363480A/de unknown
- 1957-09-04 DE DER21804A patent/DE1133115B/de active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1949072A (en) * | 1931-04-25 | 1934-02-27 | Goodrich Co B F | Method of making molded articles from plastic materials |
| GB624433A (en) * | 1944-06-21 | 1949-06-08 | Lavorazione Mat Plast | A method and apparatus for manufacturing articles of thermoplastic materials and articles manufactured thereby |
| US2752321A (en) * | 1953-02-27 | 1956-06-26 | Du Pont | Lubricating tetrafluoroethylene polymers |
| GB748117A (en) * | 1953-06-24 | 1956-04-18 | Us Rubber Co | Improvements in method and apparatus for forming self-sealing inner tube |
| US2752637A (en) * | 1954-07-01 | 1956-07-03 | Resistoflex Corp | Extrusion of polytetrafluoroethylene |
| CH318927A (fr) * | 1954-07-15 | 1957-01-31 | Somo Societe Pour Les Metaux O | Installation pour façonner un élément courbe en matière thermoplastique synthétique |
Also Published As
| Publication number | Publication date |
|---|---|
| CH363480A (de) | 1962-07-31 |
| BE560504A (en, 2012) | 1900-01-01 |
| US2863174A (en) | 1958-12-09 |
| SE196220C1 (en, 2012) | 1965-05-18 |
| GB831754A (en) | 1960-03-30 |
| FR1188548A (fr) | 1959-09-23 |
| LU35433A1 (en, 2012) | 1900-01-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| DE1133115B (de) | Verfahren zum Herstellen strangfoermiger Erzeugnisse, insbesondere von Rohren, aus Polytetrafluoraethylen mit gekruemmter Laengsachse | |
| DE69000354T2 (de) | Verfahren und vorrichtung zur kontinuierlichen herstellung eines extrudierten produktes. | |
| DE2108936C3 (de) | Verfahren und Vorrichtung zum Herstellen von Kunststoffhalbzeug mit Schaumstoffkern und ungeschäumtem Mantel | |
| EP0143335B1 (de) | Vorrichtung zur Herstellung von gekräuselten Faserstücken aus wiederaufbereitetem Tabak | |
| DE2731301A1 (de) | Vorrichtung zum kontinuierlichen mischen | |
| DE1729301A1 (de) | Mehrstufiger Extruder | |
| DE1207074B (de) | Verfahren und Vorrichtung zum Verarbeiten von thermoplastischen Kunststoffen in einer Schneckenpresse | |
| DE2121914A1 (de) | Vorrichtung und Verfahren zum Strangpressen von thermoplastischen Kunststoffen | |
| DE69309101T2 (de) | Extrudereinrichtung mit mitteln zur anpassung des abgabenendes einer extrusionsdüse relativ zu einem extruder zur ausrichtung einer stromabwärts liegenden vorrichtung | |
| DE2101056A1 (de) | Vorrichtung zur Herstellung von mit Glasfaser verstärkten thermoplasti sehen Verbindungen, Gemischen oder Ge bilden | |
| DE2240148B2 (de) | Dorn für eine hydrostatische Strangpresse zum Herstellen von Rohren mit profiliertem Innenquerschnitt | |
| DE10114727B4 (de) | Schneckenelement für gleichsinnig drehende Mehrschneckenextruder | |
| DE69711030T2 (de) | Verfahren und vorrichtung zum fliesspressen von produkten mit variablem querschnitt | |
| DE2359282B2 (de) | Vorrichtung zur Herstellung von Profilen aus geschäumten Thermoplasten | |
| DE2932016A1 (de) | Vorrichtung und verfahren zum herstellen einer duennwandigen metalltube | |
| DE1554886B1 (de) | Vorrichtung zum kontinuierlichen Filtern von geschmolzenen Kunststoffen | |
| DE889566C (de) | Vorrichtung zur Auffaserung und Homogenisierung, insbesondere von tierischem Hautmaterial, zur Herstellung kuenstlicher Hautgebilde mittels Formduesen | |
| DE2635304A1 (de) | Extrusionsverfahren und -vorrichtung | |
| DE3044577A1 (de) | Verfahren und vorrichtung zur kontinuierlichen herstellung von treibladungspulver | |
| DE3043306A1 (de) | Doppelschneckenextruder mit verschleissfestem bimetall-einsatz | |
| AT201285B (de) | Verfahren zum Strangpressen in Längsrichtung gekrümmter Gegenstände | |
| EP0524379B1 (de) | Tabak enthaltende Folienfäden sowie Verfahren und Vorrichtung zu deren Herstellung | |
| DE1504323A1 (de) | Hohlprofilierte Gegenstaende aus Kunststoff und Verfahren zu deren Herstellung | |
| DE1260763B (de) | Verfahren und Vorrichtung zum Herstellen von Schlaeuchen aus Tetrafluoraethylen | |
| DE3042697C2 (de) | Verfahren zum kontinuierlichen Herstellen einbasiger Pulver |